# Copyright (C) 2011-2012 Patrick Totzke # This file is released under the GNU GPL, version 3 or a later revision. # For further details see the COPYING file from __future__ import absolute_import from __future__ import division import argparse import code import email import email.utils import glob import logging import os import subprocess from io import StringIO import urwid from twisted.internet.defer import inlineCallbacks from twisted.internet import threads from . import Command, registerCommand from . import CommandCanceled from .utils import set_encrypt from .. import commands from .. import buffers from .. import helper from ..helper import split_commandstring from ..helper import mailto_to_envelope from ..completion import CommandLineCompleter from ..completion import ContactsCompleter from ..completion import AccountCompleter from ..completion import TagsCompleter from ..widgets.utils import DialogBox from ..db.errors import DatabaseLockedError from ..db.envelope import Envelope from ..settings.const import settings from ..utils import argparse as cargparse MODE = 'global' @registerCommand(MODE, 'exit') class ExitCommand(Command): """Shut down cleanly. The _prompt variable is for internal use only, it's used to control prompting to close without sending, and is used by the BufferCloseCommand if settings change after yielding to the UI. """ def __init__(self, _prompt=True, **kwargs): super(ExitCommand, self).__init__(**kwargs) self.prompt_to_send = _prompt @inlineCallbacks def apply(self, ui): if settings.get('bug_on_exit'): msg = 'really quit?' if (yield ui.choice(msg, select='yes', cancel='no', msg_position='left')) == 'no': return # check if there are any unsent messages if self.prompt_to_send: for buffer in ui.buffers: if (isinstance(buffer, buffers.EnvelopeBuffer) and not buffer.envelope.sent_time): msg = 'quit without sending message?' if (yield ui.choice(msg, cancel='no', msg_position='left')) == 'no': raise CommandCanceled() for b in ui.buffers: b.cleanup() ui.apply_command(FlushCommand(callback=ui.exit)) ui.cleanup() if ui.db_was_locked: msg = 'Database locked. Exit without saving?' if (yield ui.choice(msg, msg_position='left', cancel='no')) == 'no': return ui.exit() @registerCommand(MODE, 'search', usage='search query', arguments=[ (['--sort'], {'help': 'sort order', 'choices': [ 'oldest_first', 'newest_first', 'message_id', 'unsorted']}), (['query'], {'nargs': argparse.REMAINDER, 'help': 'search string'})]) class SearchCommand(Command): """open a new search buffer. Search obeys the notmuch :ref:`search.exclude_tags ` setting.""" repeatable = True def __init__(self, query, sort=None, **kwargs): """ :param query: notmuch querystring :type query: str :param sort: how to order results. Must be one of 'oldest_first', 'newest_first', 'message_id' or 'unsorted'. :type sort: str """ self.query = ' '.join(query) self.order = sort Command.__init__(self, **kwargs) def apply(self, ui): if self.query: open_searches = ui.get_buffers_of_type(buffers.SearchBuffer) to_be_focused = None for sb in open_searches: if sb.querystring == self.query: to_be_focused = sb if to_be_focused: if ui.current_buffer != to_be_focused: ui.buffer_focus(to_be_focused) else: # refresh an already displayed search ui.current_buffer.rebuild() ui.update() else: ui.buffer_open(buffers.SearchBuffer(ui, self.query, sort_order=self.order)) else: ui.notify('empty query string') @registerCommand(MODE, 'prompt', arguments=[ (['startwith'], {'nargs': '?', 'default': '', 'help': 'initial content'})]) class PromptCommand(Command): """prompts for commandline and interprets it upon select""" def __init__(self, startwith='', **kwargs): """ :param startwith: initial content of the prompt widget :type startwith: str """ self.startwith = startwith Command.__init__(self, **kwargs) @inlineCallbacks def apply(self, ui): logging.info('open command shell') mode = ui.mode or 'global' cmpl = CommandLineCompleter(ui.dbman, mode, ui.current_buffer) cmdline = yield ui.prompt( '', text=self.startwith, completer=cmpl, history=ui.commandprompthistory) logging.debug('CMDLINE: %s', cmdline) # interpret and apply commandline if cmdline: # save into prompt history ui.commandprompthistory.append(cmdline) ui.apply_commandline(cmdline) else: raise CommandCanceled() @registerCommand(MODE, 'refresh') class RefreshCommand(Command): """refresh the current buffer""" repeatable = True def apply(self, ui): ui.current_buffer.rebuild() ui.update() @registerCommand( MODE, 'shellescape', arguments=[ (['--spawn'], {'action': cargparse.BooleanAction, 'default': None, 'help': 'run in terminal window'}), (['--thread'], {'action': cargparse.BooleanAction, 'default': None, 'help': 'run in separate thread'}), (['--refocus'], {'action': cargparse.BooleanAction, 'help': 'refocus current buffer after command ' 'has finished'}), (['cmd'], {'help': 'command line to execute'})], forced={'shell': True}, ) class ExternalCommand(Command): """run external command""" repeatable = True def __init__(self, cmd, stdin=None, shell=False, spawn=False, refocus=True, thread=False, on_success=None, **kwargs): """ :param cmd: the command to call :type cmd: list or str :param stdin: input to pipe to the process :type stdin: file or str :param spawn: run command in a new terminal :type spawn: bool :param shell: let shell interpret command string :type shell: bool :param thread: run asynchronously, don't block alot :type thread: bool :param refocus: refocus calling buffer after cmd termination :type refocus: bool :param on_success: code to execute after command successfully exited :type on_success: callable """ logging.debug({'spawn': spawn}) # make sure cmd is a list of str if isinstance(cmd, unicode): # convert cmdstring to list: in case shell==True, # Popen passes only the first item in the list to $SHELL cmd = [cmd] if shell else split_commandstring(cmd) # determine complete command list to pass touchhook = settings.get_hook('touch_external_cmdlist') # filter cmd, shell and thread through hook if defined if touchhook is not None: logging.debug('calling hook: touch_external_cmdlist') res = touchhook(cmd, shell=shell, spawn=spawn, thread=thread) logging.debug('got: %s', res) cmd, shell, self.in_thread = res # otherwise if spawn requested and X11 is running elif spawn: if 'DISPLAY' in os.environ: term_cmd = settings.get('terminal_cmd', '') logging.info('spawn in terminal: %s', term_cmd) termcmdlist = split_commandstring(term_cmd) cmd = termcmdlist + cmd else: thread = False self.cmdlist = cmd self.stdin = stdin self.shell = shell self.refocus = refocus self.in_thread = thread self.on_success = on_success Command.__init__(self, **kwargs) def apply(self, ui): logging.debug('cmdlist: %s', self.cmdlist) callerbuffer = ui.current_buffer # set standard input for subcommand stdin = None if self.stdin is not None: # wrap strings in StringIO so that they behave like files if isinstance(self.stdin, unicode): stdin = StringIO(self.stdin) else: stdin = self.stdin def afterwards(data): if data == 'success': if callable(self.on_success): self.on_success() else: ui.notify(data, priority='error') if self.refocus and callerbuffer in ui.buffers: logging.info('refocussing') ui.buffer_focus(callerbuffer) logging.info('calling external command: %s', self.cmdlist) def thread_code(*_): try: proc = subprocess.Popen(self.cmdlist, shell=self.shell, stdin=subprocess.PIPE, stderr=subprocess.PIPE) except OSError as e: return str(e) _, err = proc.communicate(stdin.read() if stdin else None) if proc.returncode == 0: return 'success' return err.strip() if self.in_thread: d = threads.deferToThread(thread_code) d.addCallback(afterwards) else: ui.mainloop.screen.stop() ret = thread_code() ui.mainloop.screen.start() # make sure urwid renders its canvas at the correct size ui.mainloop.screen_size = None ui.mainloop.draw_screen() afterwards(ret) class EditCommand(ExternalCommand): """edit a file""" def __init__(self, path, spawn=None, thread=None, **kwargs): """ :param path: path to the file to be edited :type path: str :param spawn: force running edtor in a new terminal :type spawn: bool :param thread: run asynchronously, don't block alot :type thread: bool """ self.spawn = spawn if spawn is None: self.spawn = settings.get('editor_spawn') self.thread = thread if thread is None: self.thread = settings.get('editor_in_thread') editor_cmdstring = None if os.path.isfile('/usr/bin/editor'): editor_cmdstring = '/usr/bin/editor' editor_cmdstring = os.environ.get('EDITOR', editor_cmdstring) editor_cmdstring = settings.get('editor_cmd') or editor_cmdstring logging.debug('using editor_cmd: %s', editor_cmdstring) self.cmdlist = None if '%s' in editor_cmdstring: cmdstring = editor_cmdstring.replace('%s', helper.shell_quote(path)) self.cmdlist = split_commandstring(cmdstring) else: self.cmdlist = split_commandstring(editor_cmdstring) + [path] logging.debug({'spawn: ': self.spawn, 'in_thread': self.thread}) ExternalCommand.__init__(self, self.cmdlist, spawn=self.spawn, thread=self.thread, **kwargs) def apply(self, ui): if self.cmdlist is None: ui.notify('no editor set', priority='error') else: return ExternalCommand.apply(self, ui) @registerCommand(MODE, 'pyshell') class PythonShellCommand(Command): """open an interactive python shell for introspection""" repeatable = True def apply(self, ui): ui.mainloop.screen.stop() code.interact(local=locals()) ui.mainloop.screen.start() @registerCommand(MODE, 'repeat') class RepeatCommand(Command): """Repeats the command executed last time""" def __init__(self, **kwargs): Command.__init__(self, **kwargs) def apply(self, ui): if ui.last_commandline is not None: ui.apply_commandline(ui.last_commandline) else: ui.notify('no last command') @registerCommand(MODE, 'call', arguments=[ (['command'], {'help': 'python command string to call'})]) class CallCommand(Command): """Executes python code""" repeatable = True def __init__(self, command, **kwargs): """ :param command: python command string to call :type command: str """ Command.__init__(self, **kwargs) self.command = command def apply(self, ui): try: hooks = settings.hooks if hooks: env = {'ui': ui, 'settings': settings} for k, v in env.iteritems(): if k not in hooks.__dict__: hooks.__dict__[k] = v exec(self.command) except Exception as e: logging.exception(e) msg = 'an error occurred during execution of "%s":\n%s' ui.notify(msg % (self.command, e), priority='error') @registerCommand(MODE, 'bclose', arguments=[ (['--redraw'], {'action': cargparse.BooleanAction, 'help': 'redraw current buffer after command has finished'}), (['--force'], {'action': 'store_true', 'help': 'never ask for confirmation'})]) class BufferCloseCommand(Command): """close a buffer""" repeatable = True def __init__(self, buffer=None, force=False, redraw=True, **kwargs): """ :param buffer: the buffer to close or None for current :type buffer: `alot.buffers.Buffer` :param force: force buffer close :type force: bool """ self.buffer = buffer self.force = force self.redraw = redraw Command.__init__(self, **kwargs) @inlineCallbacks def apply(self, ui): def one_buffer(prompt=True): """Helper to handle the case on only one buffer being opened. prompt is a boolean that is passed to ExitCommand() as the _prompt keyword argument. """ # If there is only one buffer and the settings don't allow using # closebuffer to exit, then just stop. if not settings.get('quit_on_last_bclose'): msg = ('not closing last remaining buffer as ' 'global.quit_on_last_bclose is set to False') logging.info(msg) ui.notify(msg, priority='error') # Otherwise pass directly to exit command, which also prommpts for # 'close without sending' else: logging.info('closing the last buffer, exiting') ui.apply_command(ExitCommand(_prompt=prompt)) if self.buffer is None: self.buffer = ui.current_buffer if len(ui.buffers) == 1: one_buffer() return if (isinstance(self.buffer, buffers.EnvelopeBuffer) and not self.buffer.envelope.sent_time): msg = 'close without sending?' if (not self.force and (yield ui.choice(msg, cancel='no', msg_position='left')) == 'no'): raise CommandCanceled() # Because we yield above it is possible that the settings or the number # of buffers chould change, so retest. if len(ui.buffers) == 1: one_buffer(prompt=False) else: ui.buffer_close(self.buffer, self.redraw) @registerCommand(MODE, 'bprevious', forced={'offset': -1}, help='focus previous buffer') @registerCommand(MODE, 'bnext', forced={'offset': +1}, help='focus next buffer') @registerCommand( MODE, 'buffer', arguments=[(['index'], {'type': int, 'help': 'buffer index to focus'})], help='focus buffer with given index') class BufferFocusCommand(Command): """focus a :class:`~alot.buffers.Buffer`""" repeatable = True def __init__(self, buffer=None, index=None, offset=0, **kwargs): """ :param buffer: the buffer to focus or None :type buffer: `alot.buffers.Buffer` :param index: index (in bufferlist) of the buffer to focus. :type index: int :param offset: position of the buffer to focus relative to the currently focussed one. This is used only if `buffer` is set to `None` :type offset: int """ self.buffer = buffer self.index = index self.offset = offset Command.__init__(self, **kwargs) def apply(self, ui): if self.buffer is None: if self.index is not None: try: self.buffer = ui.buffers[self.index] except IndexError: ui.notify('no buffer exists at index %d' % self.index) return else: self.index = ui.buffers.index(ui.current_buffer) num = len(ui.buffers) self.buffer = ui.buffers[(self.index + self.offset) % num] ui.buffer_focus(self.buffer) @registerCommand(MODE, 'bufferlist') class OpenBufferlistCommand(Command): """open a list of active buffers""" def __init__(self, filtfun=lambda x: x, **kwargs): """ :param filtfun: filter to apply to displayed list :type filtfun: callable (str->bool) """ self.filtfun = filtfun Command.__init__(self, **kwargs) def apply(self, ui): blists = ui.get_buffers_of_type(buffers.BufferlistBuffer) if blists: ui.buffer_focus(blists[0]) else: bl = buffers.BufferlistBuffer(ui, self.filtfun) ui.buffer_open(bl) @registerCommand(MODE, 'taglist', arguments=[ (['--tags'], {'nargs': '+', 'help': 'tags to display'}), ]) class TagListCommand(Command): """opens taglist buffer""" def __init__(self, filtfun=lambda x: x, tags=None, **kwargs): """ :param filtfun: filter to apply to displayed list :type filtfun: callable (str->bool) """ self.filtfun = filtfun self.tags = tags Command.__init__(self, **kwargs) def apply(self, ui): tags = self.tags or ui.dbman.get_all_tags() blists = ui.get_buffers_of_type(buffers.TagListBuffer) if blists: buf = blists[0] buf.tags = tags buf.rebuild() ui.buffer_focus(buf) else: ui.buffer_open(buffers.TagListBuffer(ui, tags, self.filtfun)) @registerCommand(MODE, 'flush') class FlushCommand(Command): """flush write operations or retry until committed""" repeatable = True def __init__(self, callback=None, silent=False, **kwargs): """ :param callback: function to call after successful writeout :type callback: callable """ Command.__init__(self, **kwargs) self.callback = callback self.silent = silent def apply(self, ui): try: ui.dbman.flush() if callable(self.callback): self.callback() logging.debug('flush complete') if ui.db_was_locked: if not self.silent: ui.notify('changes flushed') ui.db_was_locked = False ui.update() except DatabaseLockedError: timeout = settings.get('flush_retry_timeout') if timeout > 0: def f(*_): self.apply(ui) ui.mainloop.set_alarm_in(timeout, f) if not ui.db_was_locked: if not self.silent: ui.notify('index locked, will try again in %d secs' % timeout) ui.db_was_locked = True ui.update() return # TODO: choices @registerCommand(MODE, 'help', arguments=[ (['commandname'], {'help': 'command or \'bindings\''})]) class HelpCommand(Command): """display help for a command. Use \'bindings\' to display all keybings interpreted in current mode.'""" def __init__(self, commandname='', **kwargs): """ :param commandname: command to document :type commandname: str """ Command.__init__(self, **kwargs) self.commandname = commandname def apply(self, ui): logging.debug('HELP') if self.commandname == 'bindings': text_att = settings.get_theming_attribute('help', 'text') title_att = settings.get_theming_attribute('help', 'title') section_att = settings.get_theming_attribute('help', 'section') # get mappings globalmaps, modemaps = settings.get_keybindings(ui.mode) # build table maxkeylength = len(max((modemaps).keys() + globalmaps.keys(), key=len)) keycolumnwidth = maxkeylength + 2 linewidgets = [] # mode specific maps if modemaps: txt = (section_att, '\n%s-mode specific maps' % ui.mode) linewidgets.append(urwid.Text(txt)) for (k, v) in modemaps.iteritems(): line = urwid.Columns([('fixed', keycolumnwidth, urwid.Text((text_att, k))), urwid.Text((text_att, v))]) linewidgets.append(line) # global maps linewidgets.append(urwid.Text((section_att, '\nglobal maps'))) for (k, v) in globalmaps.iteritems(): if k not in modemaps: line = urwid.Columns( [('fixed', keycolumnwidth, urwid.Text((text_att, k))), urwid.Text((text_att, v))]) linewidgets.append(line) body = urwid.ListBox(linewidgets) titletext = 'Bindings Help (escape cancels)' box = DialogBox(body, titletext, bodyattr=text_att, titleattr=title_att) # put promptwidget as overlay on main widget overlay = urwid.Overlay(box, ui.root_widget, 'center', ('relative', 70), 'middle', ('relative', 70)) ui.show_as_root_until_keypress(overlay, 'esc') else: logging.debug('HELP %s', self.commandname) parser = commands.lookup_parser(self.commandname, ui.mode) if parser: ui.notify(parser.format_help(), block=True) else: ui.notify('command not known: %s' % self.commandname, priority='error') @registerCommand(MODE, 'compose', arguments=[ (['--sender'], {'nargs': '?', 'help': 'sender'}), (['--template'], {'nargs': '?', 'help': 'path to a template message file'}), (['--subject'], {'nargs': '?', 'help': 'subject line'}), (['--to'], {'nargs': '+', 'help': 'recipients'}), (['--cc'], {'nargs': '+', 'help': 'copy to'}), (['--bcc'], {'nargs': '+', 'help': 'blind copy to'}), (['--attach'], {'nargs': '+', 'help': 'attach files'}), (['--omit_signature'], {'action': 'store_true', 'help': 'do not add signature'}), (['--spawn'], {'action': cargparse.BooleanAction, 'default': None, 'help': 'spawn editor in new terminal'}), (['rest'], {'nargs': '*'}), ]) class ComposeCommand(Command): """compose a new email""" def __init__(self, envelope=None, headers=None, template=None, sender=u'', subject=u'', to=None, cc=None, bcc=None, attach=None, omit_signature=False, spawn=None, rest=None, encrypt=False, **kwargs): """ :param envelope: use existing envelope :type envelope: :class:`~alot.db.envelope.Envelope` :param headers: forced header values :type headers: dict (str->str) :param template: name of template to parse into the envelope after creation. This should be the name of a file in your template_dir :type template: str :param sender: From-header value :type sender: str :param subject: Subject-header value :type subject: str :param to: To-header value :type to: str :param cc: Cc-header value :type cc: str :param bcc: Bcc-header value :type bcc: str :param attach: Path to files to be attached (globable) :type attach: str :param omit_signature: do not attach/append signature :type omit_signature: bool :param spawn: force spawning of editor in a new terminal :type spawn: bool :param rest: remaining parameters. These can start with 'mailto' in which case it is interpreted as mailto string. Otherwise it will be interpreted as recipients (to) header :type rest: list(str) :param encrypt: if the email should be encrypted :type encrypt: bool """ Command.__init__(self, **kwargs) self.envelope = envelope self.template = template self.headers = headers or {} self.sender = sender self.subject = subject self.to = to or [] self.cc = cc or [] self.bcc = bcc or [] self.attach = attach self.omit_signature = omit_signature self.force_spawn = spawn self.rest = ' '.join(rest or []) self.encrypt = encrypt @inlineCallbacks def apply(self, ui): if self.envelope is None: if self.rest: if self.rest.startswith('mailto'): self.envelope = mailto_to_envelope(self.rest) else: self.envelope = Envelope() self.envelope.add('To', self.rest) else: self.envelope = Envelope() if self.template is not None: # get location of tempsdir, containing msg templates tempdir = settings.get('template_dir') tempdir = os.path.expanduser(tempdir) if not tempdir: xdgdir = os.environ.get('XDG_CONFIG_HOME', os.path.expanduser('~/.config')) tempdir = os.path.join(xdgdir, 'alot', 'templates') path = os.path.expanduser(self.template) if not os.path.dirname(path): # use tempsdir if not os.path.isdir(tempdir): ui.notify('no templates directory: %s' % tempdir, priority='error') return path = os.path.join(tempdir, path) if not os.path.isfile(path): ui.notify('could not find template: %s' % path, priority='error') return try: with open(path) as f: self.envelope.parse_template(f.read()) except Exception as e: ui.notify(str(e), priority='error') return # set forced headers for key, value in self.headers.iteritems(): self.envelope.add(key, value) # set forced headers for separate parameters if self.sender: self.envelope.add('From', self.sender) if self.subject: self.envelope.add('Subject', self.subject) if self.to: self.envelope.add('To', ','.join(self.to)) if self.cc: self.envelope.add('Cc', ','.join(self.cc)) if self.bcc: self.envelope.add('Bcc', ','.join(self.bcc)) # get missing From header if 'From' not in self.envelope.headers: accounts = settings.get_accounts() if len(accounts) == 1: a = accounts[0] fromstring = email.utils.formataddr((a.realname, a.address)) self.envelope.add('From', fromstring) else: cmpl = AccountCompleter() fromaddress = yield ui.prompt('From', completer=cmpl, tab=1, history=ui.senderhistory) if fromaddress is None: raise CommandCanceled() ui.senderhistory.append(fromaddress) self.envelope.add('From', fromaddress) # find out the right account sender = self.envelope.get('From') name, addr = email.utils.parseaddr(sender) account = settings.get_account_by_address(addr) if account is None: accounts = settings.get_accounts() if not accounts: ui.notify('no accounts set.', priority='error') return account = accounts[0] # add signature if not self.omit_signature and account.signature: logging.debug('has signature') sig = os.path.expanduser(account.signature) if os.path.isfile(sig): logging.debug('is file') if account.signature_as_attachment: name = account.signature_filename or None self.envelope.attach(sig, filename=name) logging.debug('attached') else: with open(sig) as f: sigcontent = f.read() enc = helper.guess_encoding(sigcontent) mimetype = helper.guess_mimetype(sigcontent) if mimetype.startswith('text'): sigcontent = helper.string_decode(sigcontent, enc) self.envelope.body += '\n' + sigcontent else: ui.notify('could not locate signature: %s' % sig, priority='error') if (yield ui.choice('send without signature?', 'yes', 'no')) == 'no': return # Figure out whether we should GPG sign messages by default # and look up key if so if account.sign_by_default: if account.gpg_key: self.envelope.sign = account.sign_by_default self.envelope.sign_key = account.gpg_key else: msg = 'Cannot find gpg key for account {}'.format(account.address) logging.warning(msg) ui.notify(msg, priority='error') # get missing To header if 'To' not in self.envelope.headers: allbooks = not settings.get('complete_matching_abook_only') logging.debug(allbooks) abooks = settings.get_addressbooks(order=[account], append_remaining=allbooks) logging.debug(abooks) completer = ContactsCompleter(abooks) to = yield ui.prompt('To', completer=completer, history=ui.recipienthistory) if to is None: raise CommandCanceled() to = to.strip(' \t\n,') ui.recipienthistory.append(to) self.envelope.add('To', to) if settings.get('ask_subject') and \ 'Subject' not in self.envelope.headers: subject = yield ui.prompt('Subject') logging.debug('SUBJECT: "%s"', subject) if subject is None: raise CommandCanceled() self.envelope.add('Subject', subject) if settings.get('compose_ask_tags'): comp = TagsCompleter(ui.dbman) tagsstring = yield ui.prompt('Tags', completer=comp) tags = [t for t in tagsstring.split(',') if t] if tags is None: raise CommandCanceled() self.envelope.tags = tags if self.attach: for gpath in self.attach: for a in glob.glob(gpath): self.envelope.attach(a) logging.debug('attaching: %s', a) # set encryption if needed if self.encrypt or account.encrypt_by_default == u"all": logging.debug("Trying to encrypt message because encrypt=%s and " "encrypt_by_default=%s", self.encrypt, account.encrypt_by_default) yield set_encrypt(ui, self.envelope, block_error=self.encrypt) elif account.encrypt_by_default == u"trusted": logging.debug("Trying to encrypt message because " "account.encrypt_by_default=%s", account.encrypt_by_default) yield set_encrypt(ui, self.envelope, block_error=self.encrypt, signed_only=True) else: logging.debug("No encryption by default, encrypt_by_default=%s", account.encrypt_by_default) cmd = commands.envelope.EditCommand(envelope=self.envelope, spawn=self.force_spawn, refocus=False) ui.apply_command(cmd) @registerCommand( MODE, 'move', help='move focus in current buffer', arguments=[ (['movement'], {'nargs': argparse.REMAINDER, 'help': 'up, down, [half]page up, [half]page down, first, last'})]) class MoveCommand(Command): """move in widget""" def __init__(self, movement=None, **kwargs): if movement is None: self.movement = '' else: self.movement = ' '.join(movement) Command.__init__(self, **kwargs) def apply(self, ui): if self.movement in ['up', 'down', 'page up', 'page down']: ui.mainloop.process_input([self.movement]) elif self.movement in ['halfpage down', 'halfpage up']: ui.mainloop.process_input( ui.mainloop.screen_size[1] // 2 * [self.movement.split()[-1]]) elif self.movement == 'first': if hasattr(ui.current_buffer, "focus_first"): ui.current_buffer.focus_first() ui.update() elif self.movement == 'last': if hasattr(ui.current_buffer, "focus_last"): ui.current_buffer.focus_last() ui.update() else: ui.notify('unknown movement: ' + self.movement, priority='error') @registerCommand(MODE, 'reload', help='Reload all configuration files') class ReloadCommand(Command): """Reload configuration.""" def apply(self, ui): settings.reload()